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git_commit commit c567e28a9d1c8f184f9cfdc6f9e1c8a6bcb8d296
Author: Nikolas Klauser <nikolasklauser@berlin.de>
Date: Wed Dec 10 10:18:59 2025 +0100

[libc++] Optimize vector<bool>::reserve (#170137)

Apple M4:
```
Benchmark old new Difference % Difference
-------------------------------------------------------------------------- ------ ---------- ------------ --------------
vector<bool>(const_vector<bool>&) 12.73 12.87 0.14 1.07%
vector<bool>(size_type,_const_value_type&) 9.39 9.41 0.02 0.22%
vector<bool>(vector<bool>&&,_const_allocator_type&)_(different_allocators) 16.87 15.22 -1.65 -9.80%
vector<bool>(vector<bool>&&,_const_allocator_type&)_(equal_allocators) 2.68 2.73 0.05 1.90%
vector<bool>::reserve() 11.81 9.43 -2.38 -20.14%
Geomean 9.14 8.62 -0.53 -5.76%
```
Filter

ldionne-old-macbook-results test results

Run Order Start Time Duration
Current 562162 2025-12-16T16:40:01 0:00:00
Previous 561835 2025-12-16T16:40:01 0:00:00
Baseline 485288 2025-12-16T16:40:01 0:00:00


Tests Summary

Status Group # # (B)
Performance Regressions 6 0
Performance Improvements 1 0
Added Tests 0 16
Unchanged Tests 73 64
Total Tests 80

Performance Regressions - execution_time Δ Previous Current σ Δ (B) σ (B)
706_stockfish_r 4.09% 20.688 21.534 - 0.00% -
707_ntest_r 3.71% 16.105 16.703 - 0.00% -
737_gmsh_r 2.88% 12.622 12.985 - 0.00% -
710_omnetpp_r 2.50% 8.396 8.605 - 0.00% -
727_cppcheck_r 2.22% 25.032 25.586 - 0.00% -
709_cactus_r 1.97% 19.350 19.730 - 0.00% -

Performance Improvements - execution_time Δ Previous Current σ Δ (B) σ (B)
748_flightdm_r -1.00% 8.975 8.886 - 0.00% -

Added Tests - execution_time
706_stockfish_r
707_ntest_r
709_cactus_r
710_omnetpp_r
721_gcc_r
723_llvm_r
727_cppcheck_r
729_abc_r
731_astcenc_r
735_gem5_r
736_ocio_r
737_gmsh_r
748_flightdm_r
750_sealcrypto_r
753_ns3_r
766_femflow_r


Report Time: 0.18s
Name Current %
706_stockfish_r 21.534 4.09%
707_ntest_r 16.703 3.71%
709_cactus_r 19.730 1.97%
710_omnetpp_r 8.605 2.50%
721_gcc_r 12.982 -
723_llvm_r 11.496 -
727_cppcheck_r 25.586 2.22%
729_abc_r 18.782 -
731_astcenc_r 10.074 -
735_gem5_r 13.358 -
736_ocio_r 16.207 -
737_gmsh_r 12.985 2.88%
748_flightdm_r 8.886 -1.00%
750_sealcrypto_r 18.366 -
753_ns3_r 10.241 -
766_femflow_r 12.829 -
Geometric Mean 14.176 1.05%